I. Application
Solar grade quartz tube is used as the base material for quartz components of diffusion and PE process in solar cell manufacturing.
II. Product Features
Solar grade quartz tube features high purity, low hydroxyl, etc.
III. Product Type
WQPQ181S, WQPQ181S-R
IV. Typical Size
OD Range | OD Tolerance | WT Tolerance | Siding | Ovality | Bow |
OD<100.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
100.00≤OD<200.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
200.00≤OD<300.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
300.00≤OD<400.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
400.00≤OD<500.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
500.00≤OD<900.00 | ±2.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
V. Physical and Chemical Properties
i. Mechanical and Thermal Properties
Item | Index Value |
Density(g/cm3) | 2.2 |
Heat Conductivity(w/m·k,1000℃) | 2.28 |
Coefficient of Thermal Expansion(℃-1,1000℃) | 5.5×10-7 |
Softening Point (℃) | 1670 |
Annealing Point(℃) | 1210 |
Strain Point(℃) | 1110 |
ii. OH Contents
WQPQ181S | OH<10ppm | WQPQ181S-R | OH<30ppm |
iii. Trace Elements
Code | Criteria | Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr |
PQ181S、PQ181S-R | Typical | 16.2 | 1 | <0.05 | <0.05 | 0.5 | 1.2 | 0.9 | 0.2 | <0.05 | 1.1 | 1.5 | 1 |
Maximum | 25 | 1.5 | 0.1 | 0.1 | 1 | 1.5 | 1.5 | 0.2 | 0.2 | 2 | 4 | 2 |